<template>
  <div class="col-lg-5 d-none d-lg-block">
    <div class="visual-section">
      <div class="decorative-elements">
        <div class="circle"></div>
        <div class="circle"></div>
        <div class="circle"></div>
      </div>

      <div class="wave-container">
        <svg
            data-name="Layer 1"
            xmlns="http://www.w3.org/2000/svg"
            viewBox="0 0 1200 120"
            preserveAspectRatio="none"
        >
          <path
              d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z"
              opacity=".25"
              class="shape-fill"
          ></path>
          <path
              d="M0,0V15.81C13,36.92,27.64,56.86,47.69,72.05,99.41,111.27,165,111,224.58,91.58c31.15-10.15,60.09-26.07,89.67-39.8,40.92-19,84.73-46,130.83-49.67,36.26-2.85,70.9,9.42,98.6,31.56,31.77,25.39,62.32,62,103.63,73,40.44,10.79,81.35-6.69,119.13-24.28s75.16-39,116.92-43.05c59.73-5.85,113.28,22.88,168.9,38.84,30.2,8.66,59,6.17,87.09-7.5,22.43-10.89,48-26.93,60.65-49.24V0Z"
              opacity=".5"
              class="shape-fill"
          ></path>
          <path
              d="M0,0V5.63C149.93,59,314.09,71.32,475.83,42.57c43-7.64,84.23-20.12,127.61-26.46,59-8.63,112.48,12.24,165.56,35.4C827.93,77.22,886,95.24,951.2,90c86.53-7,172.46-45.71,248.8-84.81V0Z"
              class="shape-fill"
          ></path>
        </svg>
      </div>

      <div class="visual-content">
        <div class="app-logo">
          <i class="fa fa-user-circle"></i>
        </div>
        <h2 class="visual-title">欢迎回来</h2>
        <p class="visual-text">
          登录您的账户以访问所有功能，或注册新账户开始您的旅程
        </p>
      </div>
    </div>
  </div>
</template>

<style scoped>
.visual-section {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  min-height: 580px;
  height: 100%;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px;
}
.decorative-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  animation: float 8s infinite ease-in-out;
}

.circle:nth-child(1) {
  top: 10%;
  left: 15%;
  width: 120px;
  height: 120px;
  animation-delay: 0s;
}

.circle:nth-child(2) {
  bottom: 20%;
  right: 20%;
  width: 80px;
  height: 80px;
  animation-delay: 1s;
}

.circle:nth-child(3) {
  top: 40%;
  right: 30%;
  width: 60px;
  height: 60px;
  animation-delay: 2s;
}

.wave-container {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  transform: rotate(180deg);
  z-index: 2;
}

.wave-container svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 120px;
}

.shape-fill {
  fill: var(--primary);
}

.visual-content {
  position: relative;
  z-index: 3;
  color: white;
  text-align: center;
  margin-top: auto;
}

.app-logo {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 30px;
  font-size: 36px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.visual-title {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 15px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.visual-text {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 400px;
  margin: 0 auto;
  line-height: 1.6;
}

</style>